ANSYS 12 - Tensile Bar - Pre-analysis and Start-up

Pre-analysis and start-up

Analytical Approach:

Assuming plane stresses:

The two dimensional equilibrium equations are:

Since we are ignoring the effects of gravity; there are no body forces per unit volume.

Assuming no normal stress in the y direction:

 The equilibrium equation in the y direction becomes:
 
τ_yx must also be a constant, therefore the equilibrium equation in the x-direction becomes:

Therefore;

Apply Boundary Conditions:

If we make a cut at "A", as indicated in the problem specification, then the stress in A must be P/A.

Therefore,

 ANSYS simulation:

 Open and start the simulation:

1. Download "Class demo1.rar"

2. Unrar the file

3. Open the folder

4. Double click "Class Demo1.wbpj"

5. Follow further instructions from lab supervisor. 

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